Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/DischargeTablesOverview.java @ 4213:0674d89210f5

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Added a new service to query a diagram with discharge tables. This service takes a gauge (required) and a timerange (optional) as input parameters.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 23 Oct 2012 07:39:09 +0200
parents
children 08b6458909a9
rev   line source
4213
0674d89210f5 Added a new service to query a diagram with discharge tables.
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1 package de.intevation.flys.artifacts.services;
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2
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3 import java.awt.Color;
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4 import java.text.DateFormat;
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5 import java.text.ParseException;
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6 import java.util.ArrayList;
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7 import java.util.Collections;
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8 import java.util.Date;
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9 import java.util.List;
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10 import java.util.Locale;
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11
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12 import org.apache.log4j.Logger;
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13 import org.hibernate.Session;
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14 import org.jfree.chart.ChartFactory;
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15 import org.jfree.chart.JFreeChart;
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16 import org.jfree.chart.plot.PlotOrientation;
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17 import org.jfree.chart.plot.XYPlot;
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18 import org.jfree.data.xy.XYSeries;
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19 import org.jfree.data.xy.XYSeriesCollection;
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20 import org.w3c.dom.Document;
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21 import org.w3c.dom.Element;
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22 import org.w3c.dom.NodeList;
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23
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24 import de.intevation.artifacts.CallMeta;
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25 import de.intevation.artifacts.GlobalContext;
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26 import de.intevation.flys.artifacts.model.DischargeTables;
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27 import de.intevation.flys.artifacts.model.GaugesFactory;
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28 import de.intevation.flys.artifacts.resources.Resources;
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29 import de.intevation.flys.backend.SessionHolder;
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30 import de.intevation.flys.model.DischargeTable;
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31 import de.intevation.flys.model.Gauge;
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32 import de.intevation.flys.model.TimeInterval;
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33
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34
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35 public class DischargeTablesOverview extends AbstractChartService {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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36
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37 private static final Logger log = Logger
0674d89210f5 Added a new service to query a diagram with discharge tables.
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38 .getLogger(DischargeTablesOverview.class);
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39
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40 private static final long serialVersionUID = 1L;
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41
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42 public static final String I18N_CHART_TITLE = "gauge.discharge.service.chart.title";
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43 public static final String DEFAULT_CHART_TITLE = "Pegel: XXX";
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44
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45 public static final String I18N_CHART_X_AXIS_TITLE = "gauge.discharge.service.chart.x.title";
0674d89210f5 Added a new service to query a diagram with discharge tables.
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46 public static final String DEFAULT_X_AXIS_TITLE = "Q [m^3/s]";
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47
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48 public static final String I18N_CHART_Y_AXIS_TITLE = "gauge.discharge.service.chart.y.title";
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49 public static final String DEFAULT_Y_AXIS_TITLE = "W [cm]";
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50
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51 public static final String I18N_CHART_SERIES_TITLE = "gauge.discharge.service.chart.series.title";
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52 public static final String DEFAULT_CHART_SERIES_TITLE = "Abflusskurve";
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53
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54 public static final String I18N_CHART_SERIES_TITLE_MASTER = "gauge.discharge.service.chart.series.title.master";
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55 public static final String DEFAULT_CHART_SERIES_TITLE_MASTER = "Aktuelle Abflusskurve";
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56
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57 public static final DateFormat DATE_FORMAT = DateFormat.getDateInstance(
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58 DateFormat.SHORT, Locale.GERMANY);
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59
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60 private Session session;
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61
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62 @Override
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63 protected void init() {
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64 session = SessionHolder.acquire();
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65 }
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66
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67 @Override
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68 protected void finish() {
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69 if (session != null) {
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70 session.close();
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71 SessionHolder.release();
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72 }
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73 }
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74
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75 protected JFreeChart createChart(Document data,
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76 GlobalContext globalContext, CallMeta callMeta) {
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77
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78 Gauge gauge = extractGauge(data);
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79
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80 if (gauge == null) {
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81 log.warn("Could not determine Gauge from request!");
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82 return null;
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83 }
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84
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85 log.info("create discharge chart for gauge '" + gauge.getName() + "'");
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86 TimeInterval timerange = extractTimeInterval(data);
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87
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88 List<DischargeTable> dts = getDischargeTables(gauge, timerange);
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89 XYSeriesCollection dataset = new XYSeriesCollection();
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90
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91 for (DischargeTable dt : dts) {
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92 try {
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93 XYSeries series = createSeries(callMeta, dt);
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94 if (series != null) {
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95 dataset.addSeries(series);
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96 }
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97 }
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98 catch (IllegalArgumentException iae) {
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99 log.warn("unable to create discharge curve: "
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100 + iae.getMessage());
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101 }
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102 }
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103
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104 String title = Resources.format(callMeta, I18N_CHART_TITLE,
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105 DEFAULT_CHART_TITLE, gauge.getName());
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106
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107 String xAxis = Resources.getMsg(callMeta, I18N_CHART_X_AXIS_TITLE,
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108 DEFAULT_X_AXIS_TITLE);
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109
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110 String yAxis = Resources.format(callMeta, I18N_CHART_Y_AXIS_TITLE,
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111 DEFAULT_Y_AXIS_TITLE);
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112
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113 JFreeChart chart = ChartFactory.createXYLineChart(title, xAxis, yAxis,
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114 null, PlotOrientation.VERTICAL, true, true, false);
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115
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116 chart.setBackgroundPaint(Color.white);
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117
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118 XYPlot plot = (XYPlot) chart.getPlot();
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119 plot.setDataset(0, dataset);
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120 plot.setBackgroundPaint(Color.white);
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121 plot.setDomainGridlinePaint(Color.gray);
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122 plot.setRangeGridlinePaint(Color.gray);
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123 plot.setDomainGridlinesVisible(true);
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124 plot.setRangeGridlinesVisible(true);
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125
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126 return chart;
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127 }
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128
0674d89210f5 Added a new service to query a diagram with discharge tables.
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129 protected XYSeries createSeries(CallMeta callMeta, DischargeTable dt)
0674d89210f5 Added a new service to query a diagram with discharge tables.
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130 throws IllegalArgumentException {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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131
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132 double[][] xy = null;
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133
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134 if (dt.getKind() == DischargeTables.MASTER) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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135 xy = DischargeTables.loadDischargeTableValues(dt,
0674d89210f5 Added a new service to query a diagram with discharge tables.
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136 DischargeTables.MASTER_SCALE);
0674d89210f5 Added a new service to query a diagram with discharge tables.
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137 }
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138 else {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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139 xy = DischargeTables.loadDischargeTableValues(dt,
0674d89210f5 Added a new service to query a diagram with discharge tables.
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140 DischargeTables.HISTORICAL_SCALE);
0674d89210f5 Added a new service to query a diagram with discharge tables.
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141 }
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142
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143 XYSeries series = new XYSeries(createSeriesTitle(callMeta, dt), false);
0674d89210f5 Added a new service to query a diagram with discharge tables.
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144 for (int i = 0, n = xy[0].length; i < n; i++) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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145 series.add(xy[0][i], xy[1][i]);
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146 }
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147
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148 return series;
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149 }
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150
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151 protected String createSeriesTitle(CallMeta callMeta, DischargeTable dt)
0674d89210f5 Added a new service to query a diagram with discharge tables.
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152 throws IllegalArgumentException {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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153 TimeInterval timeInterval = dt.getTimeInterval();
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154 Date start = timeInterval.getStartTime();
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155 Date end = timeInterval.getStopTime();
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156
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157 if (start != null && end != null) {
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158 return Resources.format(callMeta, I18N_CHART_SERIES_TITLE,
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159 DEFAULT_CHART_SERIES_TITLE, start, end);
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160 }
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161 else if (start != null) {
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162 return Resources.format(callMeta, I18N_CHART_SERIES_TITLE_MASTER,
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163 DEFAULT_CHART_SERIES_TITLE, start);
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164 }
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165 else {
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166 throw new IllegalArgumentException(
0674d89210f5 Added a new service to query a diagram with discharge tables.
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167 "Missing start date of DischargeTable " + dt.getId());
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168 }
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169 }
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170
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171 protected Gauge extractGauge(Document data) {
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172 NodeList gauges = data.getElementsByTagName("gauge");
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173
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174 if (gauges.getLength() > 0) {
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175 String name = ((Element) gauges.item(0)).getAttribute("name");
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176 if (name != null && name.length() > 0) {
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177 return GaugesFactory.getGauge(name);
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178 }
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179 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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180
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181 return null;
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182 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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183
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184 protected TimeInterval extractTimeInterval(Document data) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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185 NodeList timeranges = data.getElementsByTagName("timerange");
0674d89210f5 Added a new service to query a diagram with discharge tables.
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186
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187 if (timeranges != null && timeranges.getLength() > 0) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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188 Element timerange = (Element) timeranges.item(0);
0674d89210f5 Added a new service to query a diagram with discharge tables.
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189
0674d89210f5 Added a new service to query a diagram with discharge tables.
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190 String lower = timerange.getAttribute("lower");
0674d89210f5 Added a new service to query a diagram with discharge tables.
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191 String upper = timerange.getAttribute("upper");
0674d89210f5 Added a new service to query a diagram with discharge tables.
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192
0674d89210f5 Added a new service to query a diagram with discharge tables.
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193 if (lower != null && upper != null) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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194 try {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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195 Date d1 = DATE_FORMAT.parse(lower);
0674d89210f5 Added a new service to query a diagram with discharge tables.
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196 Date d2 = DATE_FORMAT.parse(upper);
0674d89210f5 Added a new service to query a diagram with discharge tables.
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197
0674d89210f5 Added a new service to query a diagram with discharge tables.
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198 return new TimeInterval(d1, d2);
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199 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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200 catch (ParseException pe) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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201 log.warn("Wrong time format: " + pe.getMessage());
0674d89210f5 Added a new service to query a diagram with discharge tables.
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202 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
203 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
204 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
205
0674d89210f5 Added a new service to query a diagram with discharge tables.
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206 return null;
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
207 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
208
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
209 protected List<DischargeTable> getDischargeTables(Gauge gauge,
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
210 TimeInterval timerange) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
211 List<DischargeTable> all = gauge.getDischargeTables();
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
212 Collections.sort(all);
0674d89210f5 Added a new service to query a diagram with discharge tables.
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213
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
214 if (timerange == null) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
215 return all;
0674d89210f5 Added a new service to query a diagram with discharge tables.
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216 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
217
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
218 List<DischargeTable> dts = new ArrayList<DischargeTable>(all.size());
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
219 long startDate = timerange.getStartTime().getTime();
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
220 long stopDate = timerange.getStopTime().getTime();
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
221
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
222 for (DischargeTable dt : all) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
223 TimeInterval tmp = dt.getTimeInterval();
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
224 Date start = tmp.getStartTime();
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
225 Date stop = tmp.getStartTime();
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
226
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
227 if (start.getTime() > startDate && start.getTime() < stopDate) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
228 dts.add(dt);
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
229 continue;
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
230 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
231 else if (stop != null && stop.getTime() < stopDate
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
232 && stop.getTime() > startDate) {
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
233 dts.add(dt);
0674d89210f5 Added a new service to query a diagram with discharge tables.
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parents:
diff changeset
234 continue;
0674d89210f5 Added a new service to query a diagram with discharge tables.
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parents:
diff changeset
235 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
236 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
237
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
238 return dts;
0674d89210f5 Added a new service to query a diagram with discharge tables.
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diff changeset
239 }
0674d89210f5 Added a new service to query a diagram with discharge tables.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
240 }
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